GB438585A - Improvements in the manufacture of cellulose ester and ether filaments, threads, films, foils and the like - Google Patents
Improvements in the manufacture of cellulose ester and ether filaments, threads, films, foils and the likeInfo
- Publication number
- GB438585A GB438585A GB347434A GB347434A GB438585A GB 438585 A GB438585 A GB 438585A GB 347434 A GB347434 A GB 347434A GB 347434 A GB347434 A GB 347434A GB 438585 A GB438585 A GB 438585A
- Authority
- GB
- United Kingdom
- Prior art keywords
- films
- stretching
- threads
- steam
- foils
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
- D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
Filaments, threads, films, and the like of cellulose acetate or other cellulose ester or ether are subjected to a stretching operation in the presence of dry steam under pressure at a temperature above 100 DEG C. Filaments, <PICT:0438585/IV/1> threads, films, and the like of a cellulose ester or ether (other than cellulose acetate), and ribbons, films, foils, and the like of cellulose acetate are subjected to a stretching operation in the presence of saturated or wet steam under pressure at a temperature above 100 DEG C. Steam temperatures specified are 110, 120 and 130 DEG C. and these are used together with the appropriate pressure for the steam to be saturated or wet, e.g. 10, 20, 30 or more pounds per square inch. The stretching operation may be carried out on the materials during the course of their travel from one point to another, e.g. a number of threads in parallel alignment may be stretched while running from one creel of bobbins to another creel. For stretching filaments, threads, and yarns, the apparatus described in Specification 438,584 may be used. Apparatus for stretching ribbons, films, and foils comprises a steam chamber 4 provided with perforated steam pipes 11 and 12, a pressure gauge 10, relief valve 9, and a drain pipe 15. The ribbon 1 is drawn from a roll 2, passes through a pair of nip rollers 3, and thence into the steam chamber through a slit in the end plate 7. The ribbon leaves the chamber through a slit in the opposite end plate 8, and passes through nip rollers 5 which stretch the ribbon and deliver it to a roll 6. The stretched materials may be subjected to after-treatments, e.g. treatments to cause shrinkage and/or partial or substantially complete saponification. In the case of stretching films and foils, the stretching may be longitudinal and/or lateral. Specifications 177,868, 179,234, 316,521, 318,468, [all in Class 2 (ii)], 340,324, 340,325, 340,436, 340,437, 343,062, 370,430, 389,823, 400,597, 402,104, 402,105, 402,106, 403,106; 424,683, 424,752, 424,830, 424,879, [all in Group IX], 438,655 and 438,656 also are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB347434A GB438585A (en) | 1934-02-13 | 1934-02-13 | Improvements in the manufacture of cellulose ester and ether filaments, threads, films, foils and the like |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB347434A GB438585A (en) | 1934-02-13 | 1934-02-13 | Improvements in the manufacture of cellulose ester and ether filaments, threads, films, foils and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB438585A true GB438585A (en) | 1935-11-13 |
Family
ID=9759003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB347434A Expired GB438585A (en) | 1934-02-13 | 1934-02-13 | Improvements in the manufacture of cellulose ester and ether filaments, threads, films, foils and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB438585A (en) |
-
1934
- 1934-02-13 GB GB347434A patent/GB438585A/en not_active Expired
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